38370-06-8Relevant articles and documents
Synthetic Reactions of Methyl 2-(2-Amino-3-methoxycarbonyl-4H-1-benzopyran-4-yl)-2-cyanoethanoate
O'Callaghan, Conor N.,McMurry, T. Brian H.
, p. 1448 - 1465 (2007/10/02)
The title ester characteristically undergoes reactions in which the original 4-substituent is displaced, affording a benzopyran fragment which undergoes addition to reactive compounds at either the 4- or the 2-position.Subsequent rearrangement leads to fo